Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 113
G. Where thewindow has a circular head there are two methods of constructingthe upper part of the frame and sash. One is to make all but theoutside portion of the frame square, with square solid corners to theupper sash, so that it will slide up and down, and be finished on theinside the same as if… … ao H H
Building
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